First, we cut tin foil and shaped it into a boat.
Next, we filled up a bucket with water and tested the boats to see if they float.
Then, we put marbles in the boats to see how many marbles the boat could hold without sinking. I found that my "4x4" boat could hold 10 marbles before sinking.
(Note from the teachers: in the video above, Mac demonstrates how the tin foil boats were tested and explains the effect that surface area has on an object's buoyancy.)
Great job! Very informative. Loved it.
ReplyDeleteThis comment has been removed by the author.
ReplyDeleteMac,
ReplyDeleteI love your name! I wonder what it's short for?
Your video was super interesting. I cannot believe how quickly the boat with smaller surface area sank!
I wonder how this applies to big ships in the sea. I certainly wouldn't want to be on a cruise ship with a small surface area on its bottom! Eek!
Great work!
Coreen
PS: Sorry I had to delete my first comment -- spelling mistake!